Create Warehouses

StockSeeker/models.py

@@ -2,6 +2,16 @@ from django.db import models
 from django.contrib.auth.models import User
 
 
+class Warehouse(models.Model):
+    name = models.CharField(null=False, max_length=30, blank=False)
+    location = models.CharField(null=False, max_length=30, blank=False)
+    max_capacity = models.IntegerField(null=False, default=0, blank=False)
+    user = models.ForeignKey(User, on_delete=models.CASCADE, related_name="warehouses", null=False, blank=False)
+
+
+    def __str__(self):
+        return self.name
+    
 class Product(models.Model):
     name = models.CharField(null=False, max_length=30, blank=False)
     description = models.CharField(default=None, null=True, blank=True, max_length=120)
@@ -12,6 +22,7 @@ class Product(models.Model):
     stock_limit = models.IntegerField(null=True, blank=True)
     alert_enabled = models.BooleanField(default=False)
     image = models.CharField(null=True, blank=True)
+    warehouse = models.ManyToManyField(Warehouse, related_name="products")
     @property
     def is_stock_low(self):
         return self.alert_enabled and self.stock_limit is not None and self.quantity < self.stock_limit

StockSeeker/serializers.py

@@ -34,7 +34,10 @@ class UserSerializer(serializers.ModelSerializer):
 class ProductSerializer(serializers.ModelSerializer):
     user = serializers.PrimaryKeyRelatedField(read_only=True)
     is_stock_low = serializers.SerializerMethodField()
-
+    warehouse = serializers.PrimaryKeyRelatedField(
+        queryset=Warehouse.objects.all(),
+        many=True
+    )
     def validate(self, data):
         if data.get('alert_enabled') and data.get('stock_limit') is None:
             raise serializers.ValidationError({
@@ -44,7 +47,12 @@ class ProductSerializer(serializers.ModelSerializer):
     
     class Meta:
         model = Product
-        fields = ["id", "name", "description", "quantity", "creation_date", "modification_date", "user","stock_limit","alert_enabled","is_stock_low","image"]
+        fields = ["id", "name", "description", "quantity", "creation_date", "modification_date", "user","stock_limit","alert_enabled","is_stock_low","image","warehouse"]
+    
+    def validate_warehouse(self, value):
+        if not value:
+            raise serializers.ValidationError("Un produit doit être associé à au moins un entrepôt.")
+        return value
 
     def validate_quantity(self, value):
         if value < 0:
@@ -55,3 +63,15 @@ class ProductSerializer(serializers.ModelSerializer):
         if not isinstance(obj, Product):
             return None
         return obj.is_stock_low
+    
+class WarehouseSerializer(serializers.ModelSerializer):
+    user = serializers.PrimaryKeyRelatedField(read_only=True)
+
+    class Meta:
+        model = Warehouse
+        fields = ["id", "name", "location", "max_capacity","user"]
+    
+    def validate_max_capacity(self, value):
+        if value < 0:
+            raise serializers.ValidationError("La capacité maximale ne peut pas être négative.")
+        return value

StockSeeker/urls.py

@@ -4,12 +4,13 @@ from rest_framework import routers
 from .views import *
 from . import views
 from rest_framework_simplejwt.views import *
-from drf_spectacular.views import SpectacularAPIView, SpectacularSwaggerView
+from drf_spectacular.views import SpectacularAPIView
 
 ##juge pas les noms d'acces OK ?##
 
 router = routers.DefaultRouter()
 router.register(r'products', ProductView, basename='product')
+router.register(r'warehouses', WarehouseView, basename='warehouse')
 
 urlpatterns = [
     path('api/', include(router.urls)),

StockSeeker/views.py

@@ -53,3 +53,15 @@ class ProductView(viewsets.ModelViewSet):
     def get_queryset(self):
         return Product.objects.filter(user_id=self.request.user)
 
+class WarehouseView(viewsets.ModelViewSet):
+    permission_classes = [IsAuthenticated]
+    throttle_classes = [UserRateThrottle]
+    serializer_class = WarehouseSerializer
+    queryset = Warehouse.objects.all()
+    
+    def perform_create(self, serializer):
+        serializer.save(user=self.request.user)
+        
+    def get_queryset(self):
+        return Warehouse.objects.filter(user_id=self.request.user)
+